Abstract
The ion recombination times, the energy balance characteristics, and the time behavior of the radiation intensity of lead and gallium laser plasmas are determined by analyzing the trailing edges of the waveforms of various spectral lines. Reasons for different decay rates of the spectral lines are analyzed. Experiments on laser erosion of lead and gallium targets under the action of repetitive neodymium laser radiation with a pulse duration of 20 ns, wavelength of 1.06 μm, repetition rate of 12 Hz, and peak intensity on the target surface of 108–109 W/cm2 were carried out at a residual air pressure of 3–12 Pa.
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Original Russian Text © A.K. Shuaibov, M.P. Chuchman, 2007, published in Fizika Plazmy, 2007, Vol. 33, No. 2, pp. 168–175.
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Shuaibov, A.K., Chuchman, M.P. Ion recombination and energy balance in lead and gallium laser erosion plasmas. Plasma Phys. Rep. 33, 146–152 (2007). https://doi.org/10.1134/S1063780X07020080
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DOI: https://doi.org/10.1134/S1063780X07020080